HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Charleston

$156+ Cheap flights from Ontario to Charleston (CHS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHS
jun 17 — jun 241
ter 6/17
ter 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Charleston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Charleston

Keep the following information in mind while searching for Ontario to Charleston flight deals. Data was last updated junho 12, 2025.

Round-trip from

$256
(Mytrip)

One-way from

$156
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$496

Good round-trip deal

$260 or less

Good one-way deal

$258 or less
From Ontario to Charleston
Search Deals
One-way flight from Ontario to Charleston
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Charleston.
Search Deals
Price to beat on a one-way flight from Ontario to Charleston.
Search Deals

Find flight deals from Ontario to Charleston

Cheapest flights from Ontario to Charleston
Explore the most affordable flight options available from Ontario to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junho 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/176:30 amYYZ - CHS
1 stop11h 51mMultiple Airlines
seg 10/207:26 pmCHS - YYZ
1 stop18h 39mMultiple Airlines
Deal found 6/10$256
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/36:35 pmYUL - CHS
1 stop17h 32mMultiple Airlines
sáb 9/61:02 pmCHS - YUL
1 stop4h 53mMultiple Airlines
Deal found 6/12$286
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 6/285:15 pmYTZ - CHS
1 stop5h 14mMultiple Airlines
ter 7/17:03 amCHS - YTZ
2 stops15h 09mMultiple Airlines
Deal found 6/11$288
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 7/96:15 amYYZ - CHS
1 stop16h 11mDelta
qua 7/166:00 amCHS - YYZ
2 stops11h 15mDelta
Deal found 6/11$374
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 6/204:10 pmYOW - CHS
1 stop6h 19mMultiple Airlines
sex 7/112:28 pmCHS - YOW
1 stop19h 03mMultiple Airlines
Deal found 6/12$391
This Booking.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 7/252:10 pmYYZ - CHS
Nonstop2h 06mAir Canada
sex 8/14:55 pmCHS - YYZ
Nonstop2h 10mAir Canada
Deal found 6/10$422
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 6/233:45 pmYYZ - CHS
1 stop6h 09mAmerican Airlines
seg 6/306:00 amCHS - YYZ
1 stop10h 34mAmerican Airlines
Deal found 6/12$442
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 6/276:00 pmYYZ - CHS
1 stop5h 13mUnited Airlines
seg 6/306:05 amCHS - YYZ
1 stop7h 37mUnited Airlines
Deal found 6/11$453
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 7/126:33 amYOW - CHS
1 stop15h 00mUnited Airlines
qua 7/1611:20 amCHS - YOW
1 stop5h 23mUnited Airlines
Deal found 6/12$550
This FlightHub deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 7/76:15 amYYZ - CHS
1 stop5h 33mWestJet
dom 7/135:15 amCHS - YYZ
2 stops15h 39mWestJet
Deal found 6/12$565
This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/32:48 pmYUL - CHS
1 stop6h 36mWestJet
qua 9/2412:15 pmCHS - YUL
1 stop4h 49mWestJet
Deal found 6/10$596
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 11/256:15 pmYUL - CHS
1 stop5h 26mDelta
dom 11/304:30 pmCHS - YUL
1 stop7h 23mDelta
Deal found 6/12$609

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Charleston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junho 12, 2025.
Use the filters below to find and compare flights from Ontario to Charleston that are best for you.

Fly from

Ontario

Fly to

Charleston

Route

Depart

Return

Price

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

sex 10/17

6:30 am-6:21 pm

1 stop11h 51m

Charleston

seg 10/20

7:26 pm-2:05 pm

1 stop18h 39m

$256

MontrealCharleston

YUL - CHS

YULCHS

Montreal Pierre Elliott Trudeau Intl

qua 9/3

6:35 pm-12:07 pm

1 stop17h 32m

Charleston

sáb 9/6

1:02 pm-5:55 pm

1 stop4h 53m

$286

TorontoCharleston

YTZ - CHS

YTZCHS

Toronto Island

sáb 6/28

5:15 pm-10:29 pm

1 stop5h 14m

Charleston

ter 7/1

7:03 am-10:12 pm

2 stops15h 09m

$288

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

qua 7/9

6:15 am-10:26 pm

1 stop16h 11m

Charleston

qua 7/16

6:00 am-5:15 pm

2 stops11h 15m

$374

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

sex 7/25

2:10 pm-4:16 pm

Nonstop2h 06m

Charleston

sex 8/1

4:55 pm-7:05 pm

Nonstop2h 10m

$422

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

seg 6/23

3:45 pm-9:54 pm

1 stop6h 09m

Charleston

seg 6/30

6:00 am-4:34 pm

1 stop10h 34m

$442

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

sex 6/27

6:00 pm-11:13 pm

1 stop5h 13m

Charleston

seg 6/30

6:05 am-1:42 pm

1 stop7h 37m

$453

OttawaCharleston

YOW - CHS

YOWCHS

Ottawa

sáb 7/12

7:00 am-8:53 pm

2 stops13h 53m

Charleston

qua 7/16

2:48 pm-12:22 am

3 stops33h 34m

$485

OttawaCharleston

YOW - CHS

YOWCHS

Ottawa

sáb 7/12

6:33 am-9:33 pm

1 stop15h 00m

Charleston

qua 7/16

11:20 am-4:43 pm

1 stop5h 23m

$550

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

seg 7/7

6:15 am-11:48 am

1 stop5h 33m

Charleston

dom 7/13

5:15 am-8:54 pm

2 stops15h 39m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from Ontario to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Charleston

What is the cheapest month to book a flight from Region of Ontario to Charleston?

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Charleston (average of $217). Flying from Region of Ontario to Charleston in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to CHS?

Find hourly flight availability from Ontario to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junho 12, 2025.

When flying from Region of Ontario to Charleston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Charleston by month

Plan your trip to Charleston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

Temperature in Charleston by month

Plan your trip to Charleston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Charleston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Charleston. Reviews last updated junho 12, 2025.
To help decide which airline to fly from Ontario to Charleston, see what other customers have to say about Alaska Airlines, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Charleston from Ontario?

    Charleston (CHS), located 10.2 mi from the city center, is the airport you fly into when you book flights from Ontario to Charleston.

  • What are the cheapest airlines to fly from Region of Ontario to Charleston one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $240. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Region of Ontario to Charleston for a low price.

  • What are the most popular routes from Region of Ontario to Charleston?

    The most popular flight routes from Region of Ontario to Charleston are Toronto Pearson Intl - Charleston, Montreal Pierre Elliott Trudeau Intl - Charleston and Toronto Island - Charleston.

  • What are the most reliable airlines from Region of Ontario to Charleston?

    Consider Air Canada (72%), Jazz (72%) or United Airlines (72%) when booking your flight. These represent the most reliable airlines when flying from Region of Ontario to Charleston.

  • What are the cheapest flights from Region of Ontario to Charleston?

    While on average a flight from Region of Ontario to Charleston is generally $365, our data shows the cheapest flight currently is $258. When looking at the most popular route, (Toronto Pearson Intl - Charleston), you can expect to pay $256 for that flight.

  • Can I find deals for flights from Ontario to Charleston that include hotel bookings?

    Yes. In addition to deals on Ontario to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Charleston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Charleston.

  • Can I find deals for business class flights from Ontario to Charleston?

    Yes. Cheapflights offers flight deals from Ontario to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Charleston?

    Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Charleston (average of $217). Flying from Region of Ontario to Charleston in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Mount Pleasant
Isle of Palms
Folly Beach
Santee
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Charlotte flights
Pierre Elliott Trudeau Intl to Charlotte flights
Pearson Intl to Charleston flights
Pearson Intl to Myrtle Beach flights
Pierre Elliott Trudeau Intl to Myrtle Beach flights
Vancouver Intl to Charlotte flights
Pearson Intl to Hilton Head Island flights
Toronto Island to Myrtle Beach flights
Toronto Island to Charlotte flights
Pearson Intl to Savannah flights
Halifax to Charlotte flights
Ottawa to Charlotte flights
Pierre Elliott Trudeau Intl to Charleston flights
Pearson Intl to Greenville flights
Ottawa to Myrtle Beach flights
Edmonton to Charlotte flights
Pearson Intl to Columbia flights
Vancouver Intl to Charleston flights
Calgary to Charleston flights
Pierre Elliott Trudeau Intl to Savannah flights
Calgary to Myrtle Beach flights
Québec City to Charlotte flights
Vancouver Intl to Myrtle Beach flights
Winnipeg to Charlotte flights
Winnipeg to Myrtle Beach flights
Edmonton to Savannah flights
Halifax to Savannah flights
Victoria to Charlotte flights
Ottawa to Columbia flights
Québec City to Myrtle Beach flights
Vancouver Intl to Savannah flights
Calgary to Savannah flights
Fredericton to Savannah flights
Vancouver Intl to Florence flights
Kelowna to Charlotte flights
Edmonton to Myrtle Beach flights
Winnipeg to Savannah flights
Edmonton to Charleston flights
Québec City to Savannah flights
Ottawa to Savannah flights
Ottawa to Charleston flights
Moncton to Charlotte flights

Top airline flying from Ontario to Charleston

Discover the top airline that operate flights from Ontario to Charleston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junho 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$331Average$520FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.